<div class="form-group">
    <label class="col-md-3 control-label">{{ field.verbose_name }}</label>

    <div class="col-md-9">
        <div class="radio-list">
            {% if is_search %}
            <label class="radio-inline">
                <input type="radio" name="{{ field.name }}" id="{{ field.name }}_none_{{ is_search }}" value="None" checked> 忽略 </label>
            {% endif %}
            <label class="radio-inline">
                <input type="radio" name="{{ field.name }}" id="{{ field.name }}_yes_{{ is_search }}" value="true"> 是 </label>
            <label class="radio-inline">
                <input type="radio" name="{{ field.name }}" id="{{ field.name }}_no_{{ is_search }}" value="false"> 否 </label>
        </div>
    </div>
</div>